MESON Chess Problem Database
Problem Display
PID: 37896 (B2b1B2/4p3/K5bn/7p/5p2/R1RpkNN1/1Q4P1/1n2r2r w - - 0 1)
Ellerman, Arnoldo
1st HM., British Chess Magazine, 1948
#2
9 + 11
| 1207 | Schweizerische Arbeiter Schachzeitung | 1947 |
| 461 | Schach-Express | 1948 |
| 3105 | FIDE Album (1945-1955) | 1964 |
| 14868 | Pirnie Collection | 2012 |
SOLUTION
- SOUND
- Sets
- 1...Rc1
- 2.Qe2#
- 1...Rd1
- 2.Qe2#
- 1...Ref1
- 2.Qe2#
- 1...Reg1
- 2.Qe2#
- 1...Re2
- 2.Qxe2#
- 1...Bf7
- 2.Rxd3#
- 1...Be8
- 2.Rxd3#
- 1...Bb6
- 2.Qxb6#
- 1...Sd2
- 2.Qxd2#
- 1...Sxa3
- 2.Qd2#
- 1...Sxc3
- 2.Qd2#
- 1...Sf5
- 2.Rxd3#
- 1...fxg3
- 2.Bxh6#
- 1...e5
- 2.Bc5#
- 1...e6
- 2.Bc5#
- 1...Rc1
- Tries
- 1.Se4?
- threat
- 2.Rxd3#
- 2.Qf2#
- 1...Sxa3
- 2.Qd2#
- 2.Qf2#
- 1...Sxc3
- 2.Qd2#
- 2.Qf2#
- 1...Sd2
- 2.Qxd2#
- 1...Rd1
- 2.Qf2#
- 1...Ref1
- 2.Rxd3#
- 1...Re2
- 2.Rxd3#
- 1...Rhf1
- 2.Rxd3#
- 1...Sg4
- 2.Rxd3#
- 1...Bxe4!
- threat
- 1.Sf5+?
- 1...Sxf5
- 2.Rxd3#
- 1...Bxf5!
- 1...Sxf5
- 1.Bg7?
- threat
- 2.Bd4#
- 1...fxg3
- 2.Bxh6#
- 1...Bb6
- 2.Qxb6#
- 1...Sf5
- 2.Rxd3#
- 1...e5!
- threat
- 1.Rc1?
- threat
- 2.Qd4#
- 1...fxg3
- 2.Bxh6#
- 1...Bb6
- 2.Qxb6#
- 1...Sc3
- 2.Qd2#
- 1...e5
- 2.Bc5#
- 1...Sf5!
- threat
- 1.Rc2?
- threat
- 2.Qd4#
- 1...Bb6
- 2.Qxb6#
- 1...Sf5
- 2.Qe5#
- 1...e5
- 2.Bc5#
- 1...Sc3!
- threat
- 1.Rcb3?
- threat
- 2.Qd4#
- 1...fxg3
- 2.Bxh6#
- 1...Sc3
- 2.Qd2#
- 1...Sf5
- 2.Rxd3#
- 1...e5
- 2.Bc5#
- 1...Bb6!
- threat
- 1.Rc5?
- threat
- 2.Qd4#
- 1...fxg3
- 2.Bxh6#
- 1...Sc3
- 2.Qd2#
- 1...Sf5
- 2.Re5#
- 1...e5!
- threat
- 1.Rc6?
- threat
- 2.Qd4#
- 1...Bb6
- 2.Qxb6#
- 1...Sc3
- 2.Qd2#
- 1...Sf5
- 2.Re6#
- 1...e5
- 2.Bc5#
- 1...fxg3!
- threat
- 1.Rc7?
- threat
- 2.Qd4#
- 2.Qb6#
- 1...Bxc7
- 2.Qd4#
- 1...fxg3
- 2.Bxh6#
- 1...Rc1
- 2.Qd4#
- 2.Qe2#
- 1...Sc3
- 2.Qd2#
- 2.Qb6#
- 1...e5
- 2.Bc5#
- 2.Qb6#
- 1...Sf5!
- threat
- 1.Rc8?
- threat
- 2.Qd4#
- 1...fxg3
- 2.Bxh6#
- 1...Bb6
- 2.Qxb6#
- 1...Sc3
- 2.Qd2#
- 1...e5
- 2.Bc5#
- 1...Sf5!
- threat
- 1.Se4?
- Keys
- 1.Rc4!
- threat
- 2.Qd4#
- 1...fxg3
- 2.Bxh6#
- 1...Bb6
- 2.Qxb6#
- 1...Sc3
- 2.Qd2#
- 1...Sf5
- 2.Re4#
- 1...e5
- 2.Bc5#
- threat
- 1.Rc4!
The diagram in the FIDE Album is incorrect, placing one of the white bishops on c8 rather than a8. The correct diagram was quoted in Schach-Express, 1948.
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 1
- ADDED MATES = 0
- REMOVED MATES = 10
- Sets
- R(b);N_GUARD::QAR1(A)
- R(b);N_GUARD::QAR1(A),XR(b)
- B(h);N_GUARD::R1(D),XP(d)
- B(k);N_GUARD::QAB(A),XB(k)
- S(a);N_GUARD::QAB1(A),XS(a)
- S(a);N_GUARD,XR(C)::QAB1(A)
- S(a);N_GUARD,N_SPINP(d),XR(D)::QAB1(A)
- S(i);S_CUTB(h)::R1(D),XP(d)
- P(f);OGATEB,XS(F)::B(I),XS(i)
- P(j);OGATE::B(I)
- Tries
- Try
- S(F);
- Threat
- DUALS(2)
- Vars
- S(a);N_GUARD::QAB1(A),XS(a)
- R(b);::QAB1(A)
- R(b);::R1(D),XP(d)
- R(c);::R1(D),XP(d)
- S(i);::R1(D),XP(d)
- Refutation
- B(h);XS(F)
- Try
- S(F);CHECK
- Vars
- S(i);XS(F)::R1(D),XP(d)
- Refutation
- B(h);XS(F)
- Try
- B(I);
- Threat
- B(I)
- Vars
- P(f);OGATEB,XS(F)::B(I),XS(i)
- B(k);N_GUARD::QAB(A),XB(k)
- S(i);S_CUTB(h)::R1(D),XP(d)
- Refutation
- P(j);
- Try
- R(D);
- Threat
- QAB1(A)
- Vars
- P(f);OGATEB,XS(F)::B(I),XS(i)
- B(k);N_GUARD::QAB(A),XB(k)
- S(a);N_GUARD,N_SPINP(d)::QAB1(A)
- P(j);OGATE::B(I)
- Refutation
- S(i);
- Try
- R(D);
- Threat
- QAB1(A)
- Vars
- B(k);N_GUARD::QAB(A),XB(k)
- S(i);S_CUTB(h)::QAR2(A)
- P(j);OGATE::B(I)
- Refutation
- S(a);N_SPINP(d)
- Try
- R(D);
- Threat
- QAB1(A)
- Vars
- P(f);OGATEB,XS(F)::B(I),XS(i)
- S(a);N_GUARD,N_SPINP(d)::QAB1(A)
- S(i);S_CUTB(h)::R1(D),XP(d)
- P(j);OGATE::B(I)
- Refutation
- B(k);
- Try
- R(D);
- Threat
- QAB1(A)
- Vars
- P(f);OGATEB,XS(F)::B(I),XS(i)
- S(a);N_GUARD,N_SPINP(d)::QAB1(A)
- S(i);S_CUTB(h)::R(D)
- Refutation
- P(j);
- Try
- R(D);
- Threat
- QAB1(A)
- Vars
- B(k);N_GUARD::QAB(A),XB(k)
- S(a);N_GUARD,N_SPINP(d)::QAB1(A)
- S(i);S_CUTB(h)::R(D)
- P(j);OGATE::B(I)
- Refutation
- P(f);XS(F)
- Try
- R(D);
- Threat
- DUALS(2)
- Vars
- B(k);XR(D)::QAB1(A)
- P(f);OGATEB,XS(F)::B(I),XS(i)
- Refutation
- S(i);
- Try
- R(D);
- Threat
- QAB1(A)
- Vars
- P(f);OGATEB,XS(F)::B(I),XS(i)
- B(k);N_GUARD::QAB(A),XB(k)
- S(a);N_GUARD,N_SPINP(d)::QAB1(A)
- P(j);OGATE::B(I)
- Refutation
- S(i);
- Try
- Actual
- R(D);
- Threat
- QAB1(A)
- Vars
- P(f);OGATEB,XS(F)::B(I),XS(i)
- B(k);N_GUARD::QAB(A),XB(k)
- S(a);N_GUARD,N_SPINP(d)::QAB1(A)
- S(i);S_CUTB(h)::R1(D)
- P(j);OGATE::B(I)
Developed and maintained by Brian Stephenson.
Implemented with HTML5, MySQL, Perl (with, inter alia, CGI::Simple, HTML::Template & XML::LibXML) &
CSS/Javascript (jQuery, Bootstrap & DataTables).